33240536 has 32 divisors (see below), whose sum is σ = 71719680. Its totient is φ = 14148000.

The previous prime is 33240533. The next prime is 33240539. The reversal of 33240536 is 63504233.

It is an interprime number because it is at equal distance from previous prime (33240533) and next prime (33240539).

It is a super-3 number, since 3×33240536³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33240533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6491 + ... + 10421.

It is an arithmetic number, because the mean of its divisors is an integer number (2241240).

Almost surely, 2^33240536 is an apocalyptic number.

It is an amenable number.

33240536 is an abundant number, since it is smaller than the sum of its proper divisors (38479144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33240536 is a wasteful number, since it uses less digits than its factorization.

33240536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095 (or 4091 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 33240536 is about 5765.4606060574. The cubic root of 33240536 is about 321.5308678329.

Adding to 33240536 its reverse (63504233), we get a palindrome (96744769).

The spelling of 33240536 in words is "thirty-three million, two hundred forty thousand, five hundred thirty-six".